Why my blocks from mods are filled with water?

https://preview.redd.it/ce7yceem3bah1.png?width=1642&format=png&auto=webp&s=1725299ce287e1d9adff9c63133cc8b441b170bc

This happens mainly with the Quark mod, but also with DecorativeBlocks and a few blocks from other mods.